Polaris 2882967 - Replacement MPN: 2882967 Protect trailer decking from rot due to stud damage Helps eliminate track spinning for better control when loading your sled Features durable HDPE plastic construction Includes: 6 pcs., Hardware, Driver, Instructions Grips protect trailer decking from rot due to stud damage and help eliminate track spinning for better control when loading your sled. Features durable HDPE plastic construction. Good for studded and not studded tracks and provides most amount of grip for paddle tracks.